Home / 10,964.12-15,130.62-6,248.42

Finding the Fourth Proportional to 10,964.12, 15,130.62 and 6,248.42

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Solution

The fourth proportional to 10,964.12, 15,130.62 and 6,248.42 is: 8,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.12 : 15,130.62 = 6,248.42 : x
  2. Step 2: Convert to fraction form
    10,964.12/15,130.62 = 6,248.42/x
  3. Step 3: Cross multiply
    10,964.12x = 15,130.62 × 6,248.42
  4. Step 4: Simplify right side
    10,964.12x = 94,542,468.62
  5. Step 5: Solve for x
    x = 94,542,468.62/10,964.12
  6. Step 6: Final answer
    x = 8,622.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.